40 lines
1.5 KiB
C#
40 lines
1.5 KiB
C#
using System.ComponentModel;
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using System.Windows.Forms.Design;
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namespace JinYuan.ControlLib.ScrollBar
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{
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/// <summary>
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/// Class ScrollbarControlDesigner.
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/// Implements the <see cref="System.Windows.Forms.Design.ControlDesigner" />
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/// </summary>
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/// <seealso cref="System.Windows.Forms.Design.ControlDesigner" />
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internal class ScrollbarControlDesigner : System.Windows.Forms.Design.ControlDesigner
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{
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/// <summary>
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/// 获取指示组件的移动功能的选择规则。
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/// </summary>
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/// <value>The selection rules.</value>
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public override SelectionRules SelectionRules
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{
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get
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{
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SelectionRules selectionRules = base.SelectionRules;
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PropertyDescriptor propDescriptor = TypeDescriptor.GetProperties(this.Component)["AutoSize"];
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if (propDescriptor != null)
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{
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bool autoSize = (bool)propDescriptor.GetValue(this.Component);
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if (autoSize)
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{
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selectionRules = SelectionRules.Visible | SelectionRules.Moveable | SelectionRules.BottomSizeable | SelectionRules.TopSizeable;
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}
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else
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{
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selectionRules = SelectionRules.Visible | SelectionRules.AllSizeable | SelectionRules.Moveable;
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}
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}
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return selectionRules;
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}
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}
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}
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}
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