Daily automation: exercising mspaint. Part 1


MSPaint within Windows 7 is a fun toy. Multi-level system of menu (command-tabs and drop-downs), Quick Access Toolbar, Zoom are the things that do mspaint quite similar to the Big Brother and sample for all forever, Microsoft Office. Well, let’s get accustomed with these controls.

Task: use UIAutomation to work with cutting-edge controls, for this goal explain how to use the search cmdlet with application’s menus.

Requirements: perform actions with a picture by means of menu items.

Solution: at first, start the application (don’t I need offer a bit more help? :)). The first example is how to completely renew a picture, i.e. create a new white sheet.:

Set-StrictMode -Version Latest;
ipmo [path]\UIAutomation.dll;
# create a new picture
Get-UIAWindow -pn mspaint | Get-UIACustom -Name 'Application menu' | Invoke-UIACustomClick | Get-UIAMenuItem -Name 'New' | Invoke-UIAMenuItemClick;
try{
 Get-UIAWindow -Name 'Paint' -Seconds 3 | Get-UIAButton -Name "Don`'t Save" | Invoke-UIAButtonClick;
} catch {
 Write-Host "the previous picture was as clean as snow";
}

Here a question can be raised: ‘what should we do if UIAutomationSpy obstinately gives us the code to access the Paste button that is beneath the list of menu items we are working with?’ Okay, there is a fault. The spy may suggest using the control underneath the mouse pointer on its own. Two controls are under the cursor, and the poor application may don’t know which of them we are interested in. Who is impeding us from using the search cmdlet? Below is the way how we can investigate into what the menu list is:

Set-StrictMode -Version Latest;
ipmo [path]\UIAutomation.dll;

(Get-UIAWindow -pn mspaint | Get-UIACustom -Name'Application menu' | Invoke-UIACustomClick | Search-UIAControl -Name 'New').Current;
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