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* 修复了一个DPI可能的出错

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Sunny 2022-01-07 11:35:25 +08:00
parent 599acadacd
commit 278fbca08d
3 changed files with 12 additions and 2 deletions
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Bin/net40/SunnyUI.dll
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2
SunnyUI/Common/UGDI.cs
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@ -146,7 +146,7 @@ namespace Sunny.UI
/// 提供一个Graphics，常用于需要计算文字大小时 /// 提供一个Graphics，常用于需要计算文字大小时
/// </summary> /// </summary>
/// <returns>大小</returns> /// <returns>大小</returns>
private static Graphics Graphics() public static Graphics Graphics()
{ {
if (TempGraphics == null) if (TempGraphics == null)
{ {

12
SunnyUI/Style/UIDPIScale.cs
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@ -29,7 +29,17 @@ namespace Sunny.UI
{ {
public static float DPIScale(this Control control) public static float DPIScale(this Control control)
{ {
return control.CreateGraphics().DpiX / 96.0f; try
{
if (control != null)
return control.CreateGraphics().DpiX / 96.0f;
else
return GDI.Graphics().DpiX / 96.0f;
}
catch
{
return 1;
}
} }
public static float DPIScaleFontSize(this Control control, Font font) public static float DPIScaleFontSize(this Control control, Font font)