49 lines
1.4 KiB
C#
49 lines
1.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Drawing;
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using ST.Library.UI.NodeEditor;
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namespace WinNodeEditorDemo.Blender
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{
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/// <summary>
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/// 此类仅演示 作为MixRGB节点的复选框控件
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/// </summary>
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public class STNodeCheckBox : STNodeControl
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{
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private bool _Checked;
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public bool Checked {
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get { return _Checked; }
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set {
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_Checked = value;
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this.Invalidate();
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}
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}
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public event EventHandler ValueChanged;
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protected virtual void OnValueChanged(EventArgs e) {
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if (this.ValueChanged != null) this.ValueChanged(this, e);
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}
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protected override void OnMouseClick(System.Windows.Forms.MouseEventArgs e) {
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base.OnMouseClick(e);
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this.Checked = !this.Checked;
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this.OnValueChanged(new EventArgs());
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}
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protected override void OnPaint(DrawingTools dt) {
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//base.OnPaint(dt);
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Graphics g = dt.Graphics;
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g.FillRectangle(Brushes.Gray, 0, 5, 10, 10);
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m_sf.Alignment = StringAlignment.Near;
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g.DrawString(this.Text, this.Font, Brushes.LightGray, new Rectangle(15, 0, this.Width - 20, 20), m_sf);
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if (this.Checked) {
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g.FillRectangle(Brushes.Black, 2, 7, 6, 6);
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}
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}
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}
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}
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