C＃ - 透明表 [英] C# - Transparent Form
问题描述
我目前有除此之外的所有预期的效果表单。目前的形式包括了与在其下包含标签和pictureboxes面板顶部的MenuStrip的。当表单推出的MenuStrip是不可见的，它只有在用户按下'Alt'按钮和以相同的方式消失变得可见。
I currently have a Form with all the desired effects except one. The current form consists out of a menustrip at the top with a panel underneath which contains labels and pictureboxes. When the form is launched the menustrip is not visible, it only becomes visible while the user presses the 'Alt'-button and disappears in the same manner.
，主机将有一个透明背景（.PNG）背景图像。此图片将成为形式的主要布局在我边框样式设置为无。现在的问题是，形式仍具有面板下方的白色/灰色背景。
The panel will have a background-image with a transparent background (.PNG). This image will become the main layout of the form as I set the borderstyle to none. Now the problem is that the form still has the white/grayish background underneath the panel.
现在我的问题是我该做出怎样的形式透明，这样面板上的图像成为主要的布局，而不是仅仅在图像的形式背景色它下面。我不想因为我想在面板可见100％使用Opacity属性。
Now my question is how do I make the form transparent so the image on the panel becomes the main layout rather than just the image with the forms backcolor underneath it. I do not want to use the Opacity property as I want the panel to be visible 100%.
推荐答案
假设的WinForms。
Assuming WinForms.
您可以做到这一点，但您不能使边缘半透明。
You can do this, but you cannot make the edges semi-transparent.
试试这个
在的形式，设置以下属性：
On the form, set the following properties:
BackColor = Color.Lime;
TransparencyKey = Color.Lime;
这将使形式透明。然后设置背景图片：
This will make the form transparent. Then set the backgroundimage:
BackgroundImage = myImage:
和backgroundImage这也是 Color.Lime 的部分也将得到透明的。
The parts of the backgroundimage that is also Color.Limewill also get transparent.
如果你也想摆脱形式边框，加入这一行，以及：
If you also want to get rid of the Forms borders, add this line as well:
FormBorderStyle = FormBorderStyle.None;
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