the UIA functionality cannot retrieve the control description.

[Davider]

How to use general C# code to implement the functionality of the Python code? The following code was unsuccessful.
 

Code:

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// NuGet Package References: Interop.UIAutomationClient
using System;
using System.Runtime.InteropServices;
using Interop.UIAutomationClient;

void Main()
{
    var controller = new JianyingController();
    try
    {
        controller.OpenDraft("3月8日");
    }
    catch (Exception ex)
    {
        Console.WriteLine($"Error: {ex.Message}");
    }
    finally
    {
        controller.Dispose();
    }
}

public class ControlFinder
{
    public static IUIAutomationCondition CreateDescriptionMatcher(
        IUIAutomation automation,
        string targetDesc,
        int depth = 2,
        bool exact = false)
    {
        targetDesc = targetDesc.ToLower();
        
        // Use UIA_FullDescriptionPropertyId (30159)
        var propertyId = 30159;
        var propertyCondition = automation.CreatePropertyCondition(
            propertyId,
            targetDesc
        );
        
        return propertyCondition;
    }
}

public class JianyingController : IDisposable
{
    private readonly IUIAutomation _automation;
    private IUIAutomationElement _appWindow;
    
    public JianyingController()
    {
        // Create an instance of CUIAutomation
        _automation = new CUIAutomation();
        _appWindow = FindJianyingWindow();
        
        if (_appWindow == null)
        {
            throw new Exception("Failed to find the Jianying window.");
        }
    }
    
    private IUIAutomationElement FindJianyingWindow()
    {
        // Get the desktop root element
        var rootElement = _automation.GetRootElement();
        
        // Create search condition: find by window name
        var condition = _automation.CreatePropertyCondition(
            UIA_PropertyIds.UIA_NamePropertyId,
            "剪映专业版"
        );
        
        // Find the Jianying window
        return rootElement.FindFirst(Interop.UIAutomationClient.TreeScope.TreeScope_Children, condition);
    }
    
    public void OpenDraft(string draftName)
    {
        Console.WriteLine($"Attempting to open the draft: {draftName}");
        
        // Create a search condition for the draft title
        var draftTitleCondition = _automation.CreatePropertyCondition(
            UIA_PropertyIds.UIA_AutomationIdPropertyId,
            $"HomePageDraftTitle:{draftName}"
        );
        
        // Search for the draft element
        var draftElement = _appWindow.FindFirst(
            Interop.UIAutomationClient.TreeScope.TreeScope_Descendants,
            draftTitleCondition
        );
        
        if (draftElement == null)
        {
            throw new Exception($"Failed to find the draft named {draftName}.");
        }

        // Get the parent button element
        var walker = _automation.ControlViewWalker;
        var draftButton = walker.GetParentElement(draftElement);

        if (draftButton == null)
        {
            throw new Exception("Failed to find the parent button element of the draft.");
        }

        // Get the Invoke Pattern and click
        var invokePattern = draftButton.GetCurrentPattern(UIA_PatternIds.UIA_InvokePatternId)
            as IUIAutomationInvokePattern;

        if (invokePattern == null)
        {
            throw new Exception("Failed to retrieve the Invoke pattern of the button.");
        }

        invokePattern.Invoke();
    }

    public void Dispose()
    {
        if (_appWindow != null)
        {
            Marshal.ReleaseComObject(_appWindow);
            _appWindow = null;
        }

        if (_automation != null)
        {
            Marshal.ReleaseComObject(_automation);
        }
    }
}

// Common UIA Property IDs
public static class UIA_PropertyIds
{
    public const int UIA_NamePropertyId = 30005;
    public const int UIA_AutomationIdPropertyId = 30011;
    public const int UIA_FullDescriptionPropertyId = 30159;
}

// Common UIA Pattern IDs
public static class UIA_PatternIds
{
    public const int UIA_InvokePatternId = 10000;
}

python code:

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import uiautomation as uia

class ControlFinder:
    """Control Finder that encapsulates logic related to control search"""

    @staticmethod
    def desc_matcher(target_desc: str, depth: int = 2, exact: bool = False) -> Callable[[uia.Control, int], bool]:
        """Matcher function to find controls based on full_description"""
        target_desc = target_desc.lower()
        def matcher(control: uia.Control, _depth: int) -> bool:
            if _depth != depth:
                return False
            full_desc: str = control.GetPropertyValue(30159).lower()
            return (target_desc == full_desc) if exact else (target_desc in full_desc)
        return matcher

class Jianying_controller:
    """Jianying Controller"""

    app: uia.WindowControl
    """Jianying Window"""

    def open_draft(self, draft_name: str) -> None:
        """Open the specified Jianying draft

        Args:
            draft_name (`str`): The name of the Jianying draft to be opened
        """
        print(f"Starting to open {draft_name}")

        # Click the corresponding draft
        draft_name_text = self.app.TextControl(
            searchDepth=2,
            Compare=ControlFinder.desc_matcher(f"HomePageDraftTitle:{draft_name}", exact=True)
        )
        if not draft_name_text.Exists(0):
            raise exceptions.DraftNotFound(f"Could not find the Jianying draft named {draft_name}")
        draft_btn = draft_name_text.GetParentControl()
        assert draft_btn is not None
        draft_btn.Click(simulateMove=False)