Windows 窗体:如何更改禁用标签的字体颜色 [英] Windows Forms: How do you change the font color for a disabled label

问题描述

我正在尝试为标签控件设置禁用的字体特征.我可以设置所有字体特征(大小、粗体等)，但颜色被默认窗口行为覆盖，该行为似乎是这两种颜色之一:

I am trying to set the disabled font characteristics for a Label Control. I can set all of the Font characteristics (size, bold, etc), but the color is overridden by the default windows behavior which seems to be one of these two colors:

• 如果背景颜色是透明的，则前景色与禁用文本框的颜色相同.
• 如果背景颜色设置为其他颜色，则前景色为深灰色.

下图展示了行为——第 1 列是标签，第 2 列是文本框，第 3 列是组合框.

The image below demonstrates the behavior -- Column 1 is Labels, Column 2 is TextBoxs, and Column 3 is ComboBoxes.

编辑——解释图像:前两行是标签、文本框和组合框的默认样式.在后两行中，我将背景颜色设置为红色，将前景设置为白色.Microsoft 禁用的字体样式处理不一致.

Edit -- Explaining the image: The first two rows are default styles for a label, textbox, and combobox. In the second two rows, I set the Background color to Red and Foreground to White. The disabled font style handling by Microsoft is inconsistent.

推荐答案

查看ControlPaint.DrawStringDisabled 方法；它可能会有所帮助.我在覆盖自定义控件的 OnPaint 事件时使用了它.

Take a look at the ControlPaint.DrawStringDisabled method; it might be something helpful. I've used it when overriding the OnPaint event for custom controls.

ControlPaint.DrawStringDisabled(g, this.Text, this.Font, Color.Transparent,
                new Rectangle(CustomStringWidth, 5, StringSize2.Width, StringSize2.Height), StringFormat.GenericTypographic);

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