I have a "caution" image on a dialog that is shown if there are questionable parameter values. Users do not always notice it, so I want to fade it in and out cyclically over a second or so (yes, I could just toggle the Visible property, but that would look a bit like I was just toggling the Visible property). Is there a simpler way than putting it on it's own form and floating it over the dialog (and changing the AlphaBlendValue property of the form)?
What is the simplest way to add an AlphaBlendValue property to Delphi's TImage
1.3k Views Asked by rossmcm At
2
There are 2 best solutions below
Related Questions in DELPHI
- pcap to Avro on Hadoop
- schedule and automate sqoop import/export tasks
- How to diagnose Kafka topics failing globally to be found
- Only 32 bit available in Oracle VM - Hadoop Installation
- Using HDFS with Apache Spark on Amazon EC2
- How to get raw hadoop metrics
- How to output multiple values with the same key in reducer?
- Loading chararray from embedded JSON using Pig
- Oozie Pig action stuck in PREP state and job is in RUNNING state
- InstanceProfile is required for creating cluster - create python function to install module
Related Questions in TRANSPARENCY
- pcap to Avro on Hadoop
- schedule and automate sqoop import/export tasks
- How to diagnose Kafka topics failing globally to be found
- Only 32 bit available in Oracle VM - Hadoop Installation
- Using HDFS with Apache Spark on Amazon EC2
- How to get raw hadoop metrics
- How to output multiple values with the same key in reducer?
- Loading chararray from embedded JSON using Pig
- Oozie Pig action stuck in PREP state and job is in RUNNING state
- InstanceProfile is required for creating cluster - create python function to install module
Related Questions in ALPHABLENDING
- pcap to Avro on Hadoop
- schedule and automate sqoop import/export tasks
- How to diagnose Kafka topics failing globally to be found
- Only 32 bit available in Oracle VM - Hadoop Installation
- Using HDFS with Apache Spark on Amazon EC2
- How to get raw hadoop metrics
- How to output multiple values with the same key in reducer?
- Loading chararray from embedded JSON using Pig
- Oozie Pig action stuck in PREP state and job is in RUNNING state
- InstanceProfile is required for creating cluster - create python function to install module
Related Questions in DELPHI-2006
- pcap to Avro on Hadoop
- schedule and automate sqoop import/export tasks
- How to diagnose Kafka topics failing globally to be found
- Only 32 bit available in Oracle VM - Hadoop Installation
- Using HDFS with Apache Spark on Amazon EC2
- How to get raw hadoop metrics
- How to output multiple values with the same key in reducer?
- Loading chararray from embedded JSON using Pig
- Oozie Pig action stuck in PREP state and job is in RUNNING state
- InstanceProfile is required for creating cluster - create python function to install module
Related Questions in TIMAGE
- pcap to Avro on Hadoop
- schedule and automate sqoop import/export tasks
- How to diagnose Kafka topics failing globally to be found
- Only 32 bit available in Oracle VM - Hadoop Installation
- Using HDFS with Apache Spark on Amazon EC2
- How to get raw hadoop metrics
- How to output multiple values with the same key in reducer?
- Loading chararray from embedded JSON using Pig
- Oozie Pig action stuck in PREP state and job is in RUNNING state
- InstanceProfile is required for creating cluster - create python function to install module
Trending Questions
- UIImageView Frame Doesn't Reflect Constraints
- Is it possible to use adb commands to click on a view by finding its ID?
- How to create a new web character symbol recognizable by html/javascript?
- Why isn't my CSS3 animation smooth in Google Chrome (but very smooth on other browsers)?
- Heap Gives Page Fault
- Connect ffmpeg to Visual Studio 2008
- Both Object- and ValueAnimator jumps when Duration is set above API LvL 24
- How to avoid default initialization of objects in std::vector?
- second argument of the command line arguments in a format other than char** argv or char* argv[]
- How to improve efficiency of algorithm which generates next lexicographic permutation?
- Navigating to the another actvity app getting crash in android
- How to read the particular message format in android and store in sqlite database?
- Resetting inventory status after order is cancelled
- Efficiently compute powers of X in SSE/AVX
- Insert into an external database using ajax and php : POST 500 (Internal Server Error)
Popular # Hahtags
Popular Questions
- How do I undo the most recent local commits in Git?
- How can I remove a specific item from an array in JavaScript?
- How do I delete a Git branch locally and remotely?
- Find all files containing a specific text (string) on Linux?
- How do I revert a Git repository to a previous commit?
- How do I create an HTML button that acts like a link?
- How do I check out a remote Git branch?
- How do I force "git pull" to overwrite local files?
- How do I list all files of a directory?
- How to check whether a string contains a substring in JavaScript?
- How do I redirect to another webpage?
- How can I iterate over rows in a Pandas DataFrame?
- How do I convert a String to an int in Java?
- Does Python have a string 'contains' substring method?
- How do I check if a string contains a specific word?
You can do this using the
Opacity
parameter ofTCanvas.Draw
. Behind the scenes this callsTGraphic.DrawTransparent
which in turn calls the WindowsAlphaBlend
API function. An easy way to implement this is with aTPaintBox
:If you are using an older version of Delphi without the
Opacity
parameter ofTCanvas.Draw
you can useAlphaBlend
directly.Thanks to Giel for suggesting the
Opacity
parameter ofTCanvas.Draw
, and for Sertac for pointing out that it is quite a recent addition toTCanvas.Draw
.