#region Imports
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using System;
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using System.ComponentModel;
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using System.ComponentModel.Design;
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using System.Drawing;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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#endregion
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namespace DPumpHydr.WinFrmUI.RLT.Controls
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{
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#region ParrotObjectEllipse
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public class ParrotObjectEllipse : Component
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{
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public ParrotObjectEllipse()
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{
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UpdateControl();
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UpdateForm();
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}
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public override ISite Site
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{
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get => base.Site;
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set
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{
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base.Site = value;
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if (value == null)
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{
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return;
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}
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if (value.GetService(typeof(IDesignerHost)) is IDesignerHost designerHost)
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{
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IComponent rootComponent = designerHost.RootComponent;
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if (rootComponent is ContainerControl and not Form)
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{
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effectedControl = rootComponent as ContainerControl;
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DefaultControl = rootComponent as ContainerControl;
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if (DefaultControl != null)
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{
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DefaultControlRegion = DefaultControl.Region;
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}
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}
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if (rootComponent is Form)
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{
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effectedForm = rootComponent as Form;
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DefaultForm = rootComponent as Form;
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if (DefaultForm != null)
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{
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DefaultFormRegion = DefaultForm.Region;
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DefaultStyle = DefaultForm.FormBorderStyle;
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}
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}
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}
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}
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}
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private void SetCustomRegion()
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{
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if (effectedControl != null)
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{
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effectedControl.Region = Region.FromHrgn(CreateRoundRectRgn(0, 0, effectedControl.Width, effectedControl.Height, cornerRadius, cornerRadius));
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effectedControl.SizeChanged += Container_SizeChanged;
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}
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if (effectedForm != null)
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{
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effectedForm.FormBorderStyle = FormBorderStyle.None;
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effectedForm.Region = Region.FromHrgn(CreateRoundRectRgn(0, 0, effectedForm.Width, effectedForm.Height, cornerRadius, cornerRadius));
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effectedForm.SizeChanged += Container_SizeChanged;
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}
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}
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private void UpdateControl()
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{
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if (DefaultControl != null)
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{
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DefaultControl.Region = DefaultControlRegion;
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}
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if (effectedControl != null)
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{
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DefaultControl = effectedControl;
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DefaultControlRegion = effectedControl.Region;
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SetCustomRegion();
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}
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}
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private void UpdateForm()
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{
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if (DefaultForm != null)
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{
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DefaultForm.FormBorderStyle = DefaultStyle;
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DefaultForm.Region = DefaultFormRegion;
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}
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if (effectedForm != null)
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{
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DefaultForm = effectedForm;
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DefaultFormRegion = effectedForm.Region;
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DefaultStyle = effectedForm.FormBorderStyle;
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SetCustomRegion();
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}
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}
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protected override void Dispose(bool disposing)
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{
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base.Dispose(disposing);
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if (effectedControl != null)
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{
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effectedControl.Region = DefaultControlRegion;
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}
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if (effectedForm != null)
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{
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effectedForm.FormBorderStyle = DefaultStyle;
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effectedForm.Region = DefaultFormRegion;
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}
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}
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private void Container_SizeChanged(object sender, EventArgs e)
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{
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if (effectedControl != null)
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{
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effectedControl.Region = Region.FromHrgn(CreateRoundRectRgn(0, 0, effectedControl.Width, effectedControl.Height, cornerRadius, cornerRadius));
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}
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if (effectedForm != null)
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{
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effectedForm.Region = Region.FromHrgn(CreateRoundRectRgn(0, 0, effectedForm.Width, effectedForm.Height, cornerRadius, cornerRadius));
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}
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}
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[Category("Parrot")]
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[Browsable(true)]
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[Description("The corner radius")]
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public int CornerRadius
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{
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get => cornerRadius;
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set
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{
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cornerRadius = value;
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SetCustomRegion();
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}
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}
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[Category("Parrot")]
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[Browsable(true)]
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[Description("The effected control")]
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public Control EffectedControl
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{
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get
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{
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if (effectedControl != null)
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{
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return effectedControl;
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}
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else
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{
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return null;
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}
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}
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set
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{
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if (value != EffectedForm || value == null)
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{
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effectedControl = value;
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UpdateControl();
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}
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}
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}
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[Category("Parrot")]
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[Browsable(true)]
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[Description("The effected form(will remove ellipse from effected control)")]
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public Form EffectedForm
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{
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get
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{
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if (effectedForm != null)
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{
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return effectedForm;
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}
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else
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{
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return null;
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}
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}
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set
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{
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if (value != EffectedControl || value == null)
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{
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effectedForm = value;
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UpdateForm();
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}
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}
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}
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[DllImport("Gdi32.dll")]
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private static extern IntPtr CreateRoundRectRgn(int nLeftRect, int nTopRect, int nRightRect, int nBottomRect, int nWidthEllipse, int nHeightEllipse);
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private Control DefaultControl = null;
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private Form DefaultForm = null;
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private FormBorderStyle DefaultStyle;
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private Region DefaultControlRegion = null;
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private Region DefaultFormRegion = null;
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private int cornerRadius = 10;
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private Control effectedControl = null;
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private Form effectedForm = null;
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}
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#endregion
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}
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