WPF 建立自定義窗體

原文:

wpf 建立自定義窗體

在前面的一篇部落格"wpf 自定義metro style窗體"，展示了如何建立乙個類似於metro style的window，並在程式中使用。但是這個窗體不能夠自由的改變大小。今天的部落格中將展示如何建立乙個可以通過拖拽來改變大小的metro style窗體。

實現思路，在windows controltemplate中增加8個背景透明rectangle，分別放置於left, right, top, topleft, topright, bottom, bottomleft, bottomright這8個位置，

xaml：

<

controltemplate 
x:key
="metrowindowcontroltemplate"
targettype=""
>
<
border 
borderthickness
="1"
borderbrush
="lightblue"
background
="white"
>
<
grid
>
<
grid
>
<
grid.rowdefinitions
>
<
rowdefinition 
height
="auto"
/>
<
rowdefinition 
/>
grid.rowdefinitions
>
<
grid.columndefinitions
>
<
columndefinition 
/>
<
columndefinition 
width
="auto"
/>
grid.columndefinitions
>
<
rectangle 
x:name
="moveablerectangle"
fill
="lightgray"
grid.row
="0"
grid.column
="0"
/>
<
stackpanel 
grid.row
="0"
grid.column
="1"
orientation
="horizontal"
background
="lightgray"
>
<
button 
x:name
="minimizebutton"
style=""
content
="0"
/>
<
button 
x:name
="restorebutton"
style=""
content
="1"
/>
<
button 
x:name
="closebutton"
style=""
content
="r"
/>
stackpanel
>
<
grid 
background=""
grid.row
="1"
grid.columnspan
="2"
margin
="5,5,5,5"
>
<
adornerdecorator
>
<
contentpresenter
/>
adornerdecorator
>
grid
>
grid
><
grid 
x:name
="resizegrid"
>
<
rectangle
stroke=""
fill
="transparent"
verticalalignment
="top"
height
="5"
x:name
="top"
margin
="5,0,5,0"
/>
<
rectangle
stroke=""
fill
="transparent"
x:name
="bottom"
height
="5"
verticalalignment
="bottom"
margin
="5,0,5,0"
/>
<
rectangle
stroke=""
fill
="transparent"
horizontalalignment
="left"
margin
="0,5,0,5"
width
="5"
x:name
="left"
/>
<
rectangle
stroke=""
fill
="transparent"
margin
="0,5,0,5"
width
="5"
horizontalalignment
="right"
x:name
="right"
/>
<
rectangle
stroke=""
fill
="transparent"
horizontalalignment
="left"
verticalalignment
="bottom"
width
="5"
height
="5"
x:name
="bottomleft"
/>
<
rectangle
stroke=""
fill
="transparent"
verticalalignment
="bottom"
height
="5"
width
="5"
horizontalalignment
="right"
x:name
="bottomright"
/>
<
rectangle
stroke=""
fill
="transparent"
horizontalalignment
="right"
width
="5"
height
="5"
verticalalignment
="top"
x:name
="topright"
/>
<
rectangle
stroke=""
fill
="transparent"
horizontalalignment
="left"
width
="6"
verticalalignment
="top"
height
="5"
x:name
="topleft"
/>
grid
>
grid
>
border
>
controltemplate
>

") as

controltemplate;

if(template != null

) }}

}private

void resizerectangle_previewmousedown(object

sender, mousebuttoneventargs e)}}

private

void resizerectangle_mousemove(object

sender, mouseeventargs e)}}

[dllimport(

"user32.dll

", charset =charset.auto)]

private

static

extern

intptr sendmessage(intptr hwnd, uint32 msg, intptr wparam, intptr lparam);

private

void

resizewindow(resizedirection direction)

到此為止，就實現了乙個可以拖拽改變大小的自定義窗體。

執行效果：

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WPF設計 自定義窗體

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